David. - System Requirements

Operating System: Mac OS X version Leopard 10.5.8 or newer
Processor (CPU): 2GHZ Dual Core or faster
Memory (RAM): 1 GB RAM
Graphics Card: Intel HD 4000 or better
Storage: 100 MB available space

Operating System: OS X 10.13 or later
Processor (CPU): Processor: Intel Core I5 or later
Memory (RAM): 8 GB RAM
Graphics Card: Graphics card with 1024 MB RAM
Storage: 3 GB available space

Operating System: OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later
Processor (CPU): Intel Mac 2 GHz
Memory (RAM): 256MB
Hard Drive: 42MB
Sound: Standard audio

Operating System: OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.
Processor (CPU): Intel Mac 1.0 GHz or better
Memory (RAM): 512 MB RAM
Graphics Card: ATI Radeon(TM) 9500 or better, NVIDIA GeForce(TM) FX 5900 or better, Intel GMA 950 or better
Hard Drive: 185 MB free space
Other Requirements:

Operating System: Mac OS X 10.6 or above
Processor (CPU): Intel 1.6GHz
Memory (RAM): 2 GB RAM
Graphics Card: Supports 1280 * 720 resolution
Storage: 150 MB available space